Library › Hardware › Tri-clamp spools to a custom length (fabrication spec): 2 in × 340.7…

¾ in spool, 146.7 mm face to face (25.0 flange)

¾ in spool, 146.7 mm face to face (25.0 flange): ring-engine riser

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

file	spool-0.75in-146.7mm
size_in	0.75
face_to_face_mm	146.7
tube_mm	19.05 × 1.65
use	ring riser

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From the full sheet

Tri-clamp spools to a custom length (fabrication spec): 2 in × 340.7 and 310.7 mm, ¾ in × 146.7 and 80.4 mm: every size, notes, mating features and sources. How do I order a tri-clamp spool in a length that isn't 3, 6 or 12 inches?

Other sizes

2 in spool, 340.7 mm face to face, 1.65 wall, ISO 2852 ferrules both ends
2 in spool, 310.7 mm face to face
¾ in spool, 80.4 mm face to face